At the present time, thepopulation of some countries includes a relatively large number of young adults, compared with number of older people. Do the advantages of this situation outweigh the disadvantages?
The line graph shows i8nformation about the percentage of th epopulation of four Asian countries living in cities and from 1970 to 2020, and with prediction for 2030 and 2040. Summarize key features and make compariopsns where relavnmet.